﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using eTMS.Controllers.TrangThaiService;
using eTMS.Controllers;
using eTMS.Commons;
namespace eTMS.Forms.ManageList{
    public partial class FrmTrangThai : eTMS.Controls.BaseForm
    {
        public FrmTrangThai()
        {
            InitializeComponent();
        }
        #region Variables
        private TrangThaiController controller = new TrangThaiController();
        #endregion
        #region Screen Functions
        //Load All lable text
        private void LoadLanguage(){
			this.Text=TrangThaiStringMapping.TrangThai;
			this.labelFormTitle.Text=Constants.APP_ADMINISTRATION+" "+TrangThaiStringMapping.TrangThai;
			this.groupBoxDetail.Text=Constants.APP_DETAIL;
			this.groupBoxList.Text=Constants.APP_LIST;
			this.ColumnSTT.HeaderText=Constants.APP_INDEX;
			labelMaTrangThai.Text=TrangThaiStringMapping.MaTrangThai;
			ColumnMaTrangThai.HeaderText=TrangThaiStringMapping.MaTrangThai;
			labelTenTrangThai.Text=TrangThaiStringMapping.TenTrangThai;
			ColumnTenTrangThai.HeaderText=TrangThaiStringMapping.TenTrangThai;
			labelMoTaTrangThai.Text=TrangThaiStringMapping.MoTaTrangThai;
			ColumnMoTaTrangThai.HeaderText=TrangThaiStringMapping.MoTaTrangThai;
		    
        }
        //Get entity selected from datagrid
        private TrangThaiEntity GetObject(){
		    TrangThaiEntity o=controller.MapDataRowToObject(((DataRowView)gridData.SelectedRows[0].DataBoundItem).Row);
		    return o;
        }        
        //Get entites selected from datagrid
        private List<DataRow> GetSelectedDataRows(){
		    List<DataRow> ls=new List<DataRow>();
            for(int i=0;i<gridData.SelectedRows.Count;i++){
                ls.Add(GetDataRow(gridData.SelectedRows[i].Index));
            }
		    return ls;
        }
        //Get the selected data row in datagrid
        private DataRow GetSelectedDataRow(){
			DataRow row=GetDataRow(gridData.SelectedRows[0].Index);
		    return row;
        }
         //Get the selected data row in datagrid
        private DataRow GetDataRow(int index){
			DataRow row=((DataRowView)gridData.Rows[index].DataBoundItem).Row;
		    return row;
        }
        //Reset all textbox
        private void ClearScreen(){
			txtMaTrangThai.Text="";
			txtTenTrangThai.Text="";
			txtMoTaTrangThai.Text="";
			errorProviderData.Clear();
        }
        //Lock-Unlock control in screen
        private void LockScreen(bool IsLocked){            
            ucCommand.LockControl(IsLocked);
			txtMaTrangThai.ReadOnly = IsLocked;
			txtTenTrangThai.ReadOnly = IsLocked;
			txtMoTaTrangThai.ReadOnly = IsLocked;
        }
        //Copy data from control in screen to object
        private void CopyFromSreen(TrangThaiEntity o){
			 o.MaTrangThai=Convert.ToString(txtMaTrangThai.Text);
			 o.TenTrangThai=Convert.ToString(txtTenTrangThai.Text);
			 o.MoTaTrangThai=Convert.ToString(txtMoTaTrangThai.Text);
        }
        //Bind data from object to control in screen
        private void CopyToSreen(TrangThaiEntity o){
		    if(!o.IsNullMaTrangThai){
			txtMaTrangThai.Text=Convert.ToString(o.MaTrangThai);
		    }
		    if(!o.IsNullTenTrangThai){
			txtTenTrangThai.Text=Convert.ToString(o.TenTrangThai);
		    }
		    if(!o.IsNullMoTaTrangThai){
			txtMoTaTrangThai.Text=Convert.ToString(o.MoTaTrangThai);
		    }
        }
        //Validate all data from control in screen before Save data
        protected bool ValidateScreen(){
		    bool result=true;
		    if(!result){
				ShowInfo(Constants.MSS_REQUIRE_FIELD);
		    }
		    if(result){
				//Check if exists MaTrangThai				
				bool existsMaTrangThai=controller.CheckExistsMaTrangThai(txtMaTrangThai.Text);
				bool editexists=false;
				if(Flag==ACTIONENUM.Edit){
					DataRow row = GetSelectedDataRow();
					string newVal=txtMaTrangThai.Text;
					editexists=Convert.ToString(row["MaTrangThai"])!=Convert.ToString(newVal);
				}
				if(existsMaTrangThai&&((Flag==ACTIONENUM.AddNew)||editexists)){
					result = false; 					
					errorProviderData.SetError(txtMaTrangThai,Constants.MSS_ERROR_DATA_UNIQUE);
					txtMaTrangThai.Focus();
					ShowInfo(Constants.MSS_ERROR_EXISTS_DATA);
				}
				else
				{
					errorProviderData.SetError (txtMaTrangThai, "");
				}
			}
		    return result;
        }
        //Copy data from selected object to control in screen
        private void BindInfo(){
			if (gridData.SelectedRows.Count == 0) return;
			if(gridData.SelectedRows[0].Index<gridData.Rows.Count){
				TrangThaiEntity o=GetObject();	
				CopyToSreen(o);
		    }
        }    
        #endregion
        #region Business
        //AddNew data to database
        private bool AddNewData()
        {
			bool rval=false;
            controller.ResetObject();		
		    CopyFromSreen(controller.TrangThaiObject);		    
            rval=controller.AddNew();
            if(rval){
				DataRow row=controller.Table.NewRow();
				row["STT"]=controller.Table.Rows.Count+1;
				controller.MapObjectToDataRow(row);
				controller.Table.Rows.Add(row);
				gridData.DataSource=null;
				gridData.DataSource=controller.Table;
            }
            return rval;
        }
        //Update data to database
        private bool UpdateData()
        {      
			DataRow row=GetSelectedDataRow();
            controller.LoadObject((Int32)row["TrangThai_ID"]);		
		    CopyFromSreen(controller.TrangThaiObject);
		    bool rval=controller.Update();
            if(rval){
				controller.MapObjectToDataRow(row);
				gridData.InvalidateRow(gridData.SelectedRows[0].Index);
            }
            return rval;
        }
        //Delete data from database
        private bool DeleteData()
        {
            List<DataRow> ls=GetSelectedDataRows();
            if(ls.Count==0)return false;  
            bool rval=true; 
            try{
                gridData.DataSource = null;
				foreach(DataRow row in ls){
					if(controller.DeleteByID((Int32)row["TrangThai_ID"])){
						 this.controller.Table.Rows.Remove(row);
					}	
					else
					{
						rval=false;
					}				
				}
				this.controller.ResetTableIndex();
                gridData.DataSource = this.controller.Table;
            }
            catch{
				return false;
            }
            return true;
        }        
        #endregion
        #region DataBinding 
        //Bind data to datagrid
        private void LoadData(){
            gridData.AutoGenerateColumns = false;
            gridData.DataSource=controller.Table;     
            gridData.AutoResizeColumns();       
        }
        #endregion
        #region Windows Control EventHandlers
        private void FrmTrangThai_Load(object sender, EventArgs e)
        {
			LoadLanguage();
            LoadData();
            LockScreen(true);
        }       
		private void gridData_RowEnter(object sender, DataGridViewCellEventArgs e)
        {
			BindInfo();
        }   
        private void ucCommand_OnAddNew(object sender, EventArgs e)
        {
			ClearScreen();
            LockScreen(false);
            Flag=ACTIONENUM.AddNew;
			txtMaTrangThai.Focus();
        }
        private void ucCommand_OnDelete(object sender, EventArgs e)
        {
			if(gridData.SelectedRows.Count==0){
                ShowInfo(Constants.MSS_CHOOSERECORD_REQUIRE);
                return;
            }
            if(!Confirm(Constants.MSS_CONFIRM_DELETE))return;
            DeleteData();
			this.gridData.Focus();
        }
        private void ucCommand_OnEdit(object sender, EventArgs e)
        {
			if(gridData.SelectedRows.Count==0){
                ShowInfo(Constants.MSS_CHOOSERECORD_REQUIRE);
                return;
            }
            LockScreen(false);
            Flag=ACTIONENUM.Edit;
			txtMaTrangThai.Focus();
        }
        private void ucCommand_OnSave(object sender, EventArgs e)
        {
			if(!ValidateScreen())
				return;
            if(Flag==ACTIONENUM.Edit){
                if(UpdateData()){
                    ShowInfo(Constants.MSS_SAVE_SUCCESS);
                }
                else{
                    ShowWarning(Constants.MSS_SAVE_FAILE);
                }
                gridData.Focus();
            }
            else{
                if(AddNewData()){
                    ShowInfo(Constants.MSS_SAVE_SUCCESS);
                }
                else{
                    ShowWarning(Constants.MSS_SAVE_FAILE);
                }
            }
            LockScreen(true);
            Flag=ACTIONENUM.None;
        }
        private void ucCommand_OnSkip(object sender, EventArgs e)
        {
			LockScreen(true);  
			if(Flag==ACTIONENUM.AddNew){			
				ClearScreen();    
				ucCommand.SetFocusAddNew();
			}
			else if(Flag==ACTIONENUM.Edit){				
				BindInfo();
				this.gridData.Focus();
			}      
            Flag=ACTIONENUM.None;
        }
        #endregion   

    }
}
